source: chapter06/python.xml@ 403b39c

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Last change on this file since 403b39c was 403b39c, checked in by Bruce Dubbs <bdubbs@…>, 3 years ago

Update to Python-3.7.0.
Update to gdbm-1.16.
Update to elfutils-0.173.
Update to coreutils-8.30.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11433 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

  • Property mode set to 100644
File size: 7.0 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-system-Python" role="wrap">
9 <?dbhtml filename="Python.html"?>
10
11 <sect1info condition="script">
12 <productname>Python</productname>
13 <productnumber>&python-version;</productnumber>
14 <address>&python-url;</address>
15 </sect1info>
16
17 <title>Python-&python-version;</title>
18
19 <indexterm zone="ch-system-Python">
20 <primary sortas="a-python">python</primary>
21 </indexterm>
22
23 <sect2 role="package">
24 <title/>
25
26 <para>The Python 3 package contains the Python development environment. It
27 is useful for object-oriented programming, writing scripts, prototyping
28 large programs or developing entire applications.</para>
29
30 <segmentedlist>
31 <segtitle>&buildtime;</segtitle>
32 <segtitle>&diskspace;</segtitle>
33
34 <seglistitem>
35 <seg>&python-ch6-sbu;</seg>
36 <seg>&python-ch6-du;</seg>
37 </seglistitem>
38 </segmentedlist>
39
40 </sect2>
41
42 <sect2 role="installation">
43 <title>Installation of Python 3</title>
44
45 <para>Prepare Python for compilation:</para>
46
47<screen><userinput remap="configure">./configure --prefix=/usr \
48 --enable-shared \
49 --with-system-expat \
50 --with-system-ffi \
51 --with-ensurepip=yes</userinput></screen>
52
53 <variablelist>
54 <title>The meaning of the configure options:</title>
55
56 <varlistentry>
57 <term><parameter>--with-system-expat</parameter></term>
58 <listitem>
59 <para>This switch enables linking against system version of
60 <application>Expat</application>.</para>
61 </listitem>
62 </varlistentry>
63
64 <varlistentry>
65 <term><parameter>--with-system-ffi</parameter></term>
66 <listitem>
67 <para>This switch enables linking against system version of
68 <application>libffi</application>.</para>
69 </listitem>
70 </varlistentry>
71
72 <varlistentry>
73 <term><parameter>--with-ensurepip=yes</parameter></term>
74 <listitem>
75 <para>This switch enables building <command>pip</command> and
76 <command>setuptools</command> packaging programs.</para>
77 </listitem>
78 </varlistentry>
79
80 </variablelist>
81
82 <para>Compile the package:</para>
83
84<screen><userinput remap="make">make</userinput></screen>
85
86 <para>The test suite requires TK and and X Windows session and cannot
87 be run until Python 3 is reinstalled in BLFS.</para>
88
89 <para>Install the package:</para>
90
91<screen><userinput remap="install">make install
92chmod -v 755 /usr/lib/libpython3.7m.so
93chmod -v 755 /usr/lib/libpython3.so</userinput></screen>
94
95 <variablelist>
96 <title>The meaning of the install commands:</title>
97
98 <varlistentry>
99 <term><command>chmod -v 755 /usr/lib/libpython3.{6m.,}so</command></term>
100 <listitem>
101 <para>Fix permissions for libraries to be consistent with other
102 libraries.</para>
103 </listitem>
104 </varlistentry>
105
106 </variablelist>
107
108 <para>If desired, install the preformatted documentation:</para>
109
110<screen><userinput remap="install">install -v -dm755 /usr/share/doc/python-&python-version;/html
111
112tar --strip-components=1 \
113 --no-same-owner \
114 --no-same-permissions \
115 -C /usr/share/doc/python-&python-version;/html \
116 -xvf ../python-&python-version;-docs-html.tar.bz2</userinput></screen>
117
118 <variablelist>
119 <title>The meaning of the documentation install commands:</title>
120
121 <varlistentry>
122 <term><option>--no-same-owner</option> and --no-same-permissions</term>
123 <listitem>
124 <para>Ensure the installed files have the correct ownership and
125 permissions. Without these options, using <application>tar</application>
126 will install the package files with the upstream creator's values.
127 </para>
128 </listitem>
129 </varlistentry>
130
131 </variablelist>
132
133 </sect2>
134
135 <sect2 id="contents-python" role="content">
136 <title>Contents of Python 3</title>
137
138 <segmentedlist>
139 <segtitle>Installed Programs</segtitle>
140 <segtitle>Installed Library</segtitle>
141 <segtitle>Installed Directories</segtitle>
142
143 <seglistitem>
144 <seg>
145 2to3, idle3, pydoc3, python3, python3-config, pyvenv
146 </seg>
147 <seg>
148 libpython3.6m.so and libpython3.so
149 </seg>
150 <seg>
151 /usr/include/python3.6m, /usr/lib/python3 and
152 /usr/share/doc/python-&python-version;
153 </seg>
154 </seglistitem>
155 </segmentedlist>
156
157 <variablelist>
158 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
159 <?dbfo list-presentation="list"?>
160 <?dbhtml list-presentation="table"?>
161
162 <varlistentry id="python-2to3">
163 <term><command>2to3</command></term>
164 <listitem>
165 <para>
166 is a <application>Python</application> program that reads
167 <application>Python 2.x</application> source code and applies a
168 series of fixes to transform it into valid
169 <application>Python 3.x</application> code.
170 </para>
171 <indexterm zone="ch-system-Python">
172 <primary sortas="b-2to3">2to3</primary>
173 </indexterm>
174 </listitem>
175 </varlistentry>
176
177 <varlistentry id="idle3">
178 <term><command>idle3</command></term>
179 <listitem>
180 <para>
181 is a wrapper script that opens a <application>Python</application>
182 aware GUI editor. For this script to run, you must have installed
183 <application>Tk</application> before Python so that the Tkinter
184 Python module is built.
185 </para>
186 <indexterm zone="ch-system-Python">
187 <primary sortas="b-idle3">idle3</primary>
188 </indexterm>
189 </listitem>
190 </varlistentry>
191
192 <varlistentry id="pydoc3">
193 <term><command>pydoc3</command></term>
194 <listitem>
195 <para>
196 is the <application>Python</application> documentation tool.
197 </para>
198 <indexterm zone="ch-system-Python">
199 <primary sortas="b-pydoc3">pydoc3</primary>
200 </indexterm>
201 </listitem>
202 </varlistentry>
203
204 <varlistentry id="python3">
205 <term><command>python3</command></term>
206 <listitem>
207 <para>
208 is an interpreted, interactive, object-oriented programming
209 language.
210 </para>
211 <indexterm zone="ch-system-Python">
212 <primary sortas="b-python3">python3</primary>
213 </indexterm>
214 </listitem>
215 </varlistentry>
216
217 <varlistentry id="pyvenv">
218 <term><command>pyvenv</command></term>
219 <listitem>
220 <para>
221 creates virtual <application>Python</application> environments in
222 one or more target directories.
223 </para>
224 <indexterm zone="ch-system-Python">
225 <primary sortas="b-pyvenv">pyvenv</primary>
226 </indexterm>
227 </listitem>
228 </varlistentry>
229
230 </variablelist>
231
232 </sect2>
233
234</sect1>
235
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